Hi Tim, --- Tim Johnson <[EMAIL PROTECTED]> wrote: > > Hello rebols: > I'd like to store a logical condition in a block to > evaluate at a later time by 'if or 'either > Example code: > >> a: 1 > == 1 > >> b: [a = 0] > == [a = 0] > >> either b[print "b evaluates to 'true'"][print "b > evaluates to 'false'"] > b evaluates to 'true' > > What do I need to do so that my answer will be: > b evaluates to 'false' > > thanks > tim
All you have to do now is 'do b': >> a: 1 == 1 >> b: [a = 0] == [a = 0] >> do b == false >> a: 0 == 0 >> do b == true You can use it in conditionals like this: >> either do b [print "A is zero"][print ["A is " a]] A is zero >> a: 42 == 42 >> either do b [print "A is zero"][print ["A is " a]] A is 42 ________________________________________________________________________ Want to chat instantly with your online friends? Get the FREE Yahoo! Messenger http://mail.messenger.yahoo.co.uk -- To unsubscribe from this list, just send an email to [EMAIL PROTECTED] with unsubscribe as the subject.
